EP0293831A1 - Générateur de vagues - Google Patents

Générateur de vagues Download PDF

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Publication number
EP0293831A1
EP0293831A1 EP88108691A EP88108691A EP0293831A1 EP 0293831 A1 EP0293831 A1 EP 0293831A1 EP 88108691 A EP88108691 A EP 88108691A EP 88108691 A EP88108691 A EP 88108691A EP 0293831 A1 EP0293831 A1 EP 0293831A1
Authority
EP
European Patent Office
Prior art keywords
wave
making apparatus
wave generating
generating plate
pool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88108691A
Other languages
German (de)
English (en)
Other versions
EP0293831B1 (fr
Inventor
Norihisa C/O Patent & License And Kodan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of EP0293831A1 publication Critical patent/EP0293831A1/fr
Application granted granted Critical
Publication of EP0293831B1 publication Critical patent/EP0293831B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B31/00—Swimming aids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/0006—Devices for producing waves in swimming pools
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools

Definitions

  • the present invention relates to a wave making apparatus used in a wave pool for recreation.
  • More prior art wave making apparatus used in pools for recreation have been of the flap or air type.
  • the wave making apparatus used in experimental tanks are mainly of the flap, plunger or piston type.
  • the flap-­type wave making apparatus drives the upper end of a flap, in a horizontal direction, the flap being held with a pin at the lower end in a freely rotatable state, and generates waves by oscillating the flap with a centered pin.
  • the air-type wave making apparatus sends air into an air chamber by means of a blower and fluctuates the level of water by opening and closing a duct set in the air chamber, to thereby generate waves.
  • the plunger-type wave making apparatus moves a wedge-­shaped plunger held at the lower end of a shaft up and down along a tank wall standing vertically, to thereby generate waves in the water.
  • the piston-type wave making apparatus moves a flap set vertically relative to the surface of the water on a rod, back and forth along a tank bottom, to thereby generate waves in the water.
  • the flap-type wave making apparatus one of the abovementioned conventional wave making apparatus, produces a larger turbulence near the surface of water and a smaller turbulence under water as it goes deeper, because the flap in held at the lower end with a pin. To generate high waves, therefore, it is necessary to increase the height of the flap greatly. In addition, to absorb the waves generated behind the flap, it is necessary to provide a certain distance between the back of the flap and the tank wall, and a special wave absorbing device or a special wave absorbing construction is required. Although a method wherein air exists instead of water behind the flap is partly put to practical use, this method requires an intricate mechanism.
  • the air-type wave making apparatus has difficulties in that it requires a complicated control of a blower, and a complicated mechanism for controlling the opening and closing of a duct due to the compressibility of air to generate high waves.
  • the plunger-type wave making apparatus produces a smaller turbulence in a deep zone of the water than near the surface of the water because the plunger as a wave generating plate is wedge-shaped. To generate high waves, therefore, it is necessary to increase the stroke of the wave generating plate. This disadvantageously leads to a great size of the wave generating plate.
  • the piston-type wave making apparatus requires a certain distance to be provided between the back of the wave generating plate and the tank wall, and a special wave absorbing device or a special wave absorbing construction is required in order to absorb the waves produced behind the wave generating plate.
  • a wave generating apparatus comprises a wave generating plate having a wave generating face inclined toward the center of a wave pool relative to the stationary surface of water of the wave pool; and means for driving the wave generating plate along a wall which is inclined backward relative to the center of the wave pool.
  • the wave making apparatus of the present invention comprises a wave generating plate which is driven along a pool wall so that waves can not be generated behind the wave generating plate if high waves are generated.
  • the pool wall, along which the wave generating plate slides, is inclined so that turbulence can be produced in a deeper zone of water.
  • Fig. 1 is an explanatory view illustrating one embodiment of a wave making apparatus 10 of the present invention.
  • Wave making apparatus 10 comprises a wave generating plate 12 having a wave generating face 13 (front face of wave generating plate 12) which is inclined forward relative to the stationary upper surface of the water 22 and means for driving wave generating plate 12 along wall 18, wall 18 being inclined backward relative to the center of the wave generating pool.
  • the drive means for plate 12 has a drive shaft 14 coupled to the wave generating plate 12, a mount 16 holding the drive shaft 14, and a drive unit (not shown, but arranged in mount 16) driving wave generating plate 12 along wall 18 through the drive shaft 14.
  • drive shaft 14 coupled to the wave generating plate 12, and mount 16 holding the drive shaft 14, are arranged so that drive shaft 14 and mount 16 have the same incline as that of wall 18.
  • wall 18 It is preferable to incline wall 18 backward relative to the center of the wave pool at an angle ⁇ of 30° to 50° relative to the vertical plane. If the wall 18 is inclined at less than 30°, smaller turbulence is produced in a deeper zone of water. If the wall is inclined at more than 50°, the wave generating plate 12 will be required to be too large.
  • a minimum clearance between wave generating plate 12 and wall 18 is sufficient to permit moving of the wave generating plate 12. If necessary, a slide guide can be provided between wave generating plate 12 and wall 18 in order to carry the partial weight or buoyancy of wave generating plate 12.
  • the lower end of wave generating plate 12 is positioned at a height above pool bottom 20 which is equal to about one-half of the stroke or greater than the stroke necessary to generate waves of desired height.
  • the upper end of front face 13 of wave generating plate 12 is positioned at a height such that water does not splash over the top of wave generating plate 12 when waves of desired height are generated.
  • Wave generating face 13 of wave generating plate 12 is inclined toward the center of the pool, i.e., inclined forward relative to the stationary upper surface 22 of the water, to generate a wave 24 moving toward the center of the pool.
  • the wave generating face 13 of the wave generating plate 12 is desired to be inclined toward the center of the pool at an angle ⁇ of 10° to 40° relative to the vertical plane.
  • the wave generating face 13 need not be flat; it may be curved, either convex or concave.
  • the bottom face of wave generating plate 12 is parallel to inclined wall 18.
  • the top face of wave generating plate 12 and the surface on which drive shaft 14 is mounted have no restriction on shape or orientation. In the embodiment of Fig.
  • wave generating plate 12 of a block shape having a rectangular section is used, but the wave generating plate 12 is not confined to the abovementioned shape. It is sufficient that the wave generating plate 12 has a wave generating face 13 which is inclined forward.
  • a wave generating plate 12 comprising a wave generating face, bottom face and an upper face and a wave generating plate of a shape of a thin plate having only a wave generating face can be used.
  • a drive means for wave generating plate 12 comprises drive shaft 14 connected to wave generating plate 12, mount 16 holding the drive shaft and a drive unit (not shown) for driving the wave generating plate along wall 18 through said drive shaft.
  • the drive unit coupled to drive shaft 14 may be hydraulic, pneumatic or electrical.
  • the chain lines in Fig. 1 show the wave generating plate 12 in different positions, as driven by the drive means.
  • wave making apparatus when the wave generating plate 12 is pushed into the water by being moved half a stroke downward along wall 18 by the drive unit through drive shaft 14, wave generating face 13 of wave generating plate 12 produces turbulence down to the deep zone in the water, thereby generating waves of desired height.
  • Such generation of the waves by means of wave generating plate 12 is carried out each time wave generating plate 12 is pushed into the water by being moved downward after being moved upward.
  • wave 24 being generated continuously.
  • Fig. 2 is an explanatory view illustrating another Embodiment of a wave making apparatus of the present invention.
  • the wave making apparatus of Fig. 2 comprises a hydraulic actuator which moves drive shaft 14′ supported by mount 16′.
  • a pneumatic actuator can be used as a drive unit in place of a hydraulic actuator.
  • the embodiment of Fig. 2 is the same as that of Fig. 1.
  • a typical hydraulic drive unit is shown in Fig. 6, and is described below.
  • the wave generating plate is reciprocably mounted on guiding rods 47, which pass through openings or apertures in wave generating plate 12.
  • the guiding rods are fixedly secured to inclined wall 18 by means of respective mounting members 48.
  • Hydraulic actuators 16′ actuate respective drive shafts 14′, which are connected to the wave generating plate 12, as shown in Fig. 6.
  • Hydraulic actuators 16′ are mounted to the upper surface of the pool by means of respective mounting members 46.
  • the wave generating plate 12 is driven along the guiding rods 47 by means of the hydraulic actuators 16′ in a reciprocating manner.
  • the hydraulic actuators 16′ are coupled to a source of hydraulic fluid (not shown), and to a control device to control the supply of the hydraulic fluid to operate the actuators to reciprocably drive the wave generating plate 12.
  • Fig. 3 is an explanatory view illustrating still another embodiment of the wave making apparatus of the present invention.
  • a drive means comprises a drive shaft 34 connected to the wave generating plate 12, the drive shaft 34 having a rack 26 thereon.
  • the drive means further comprises a pinion gear 28 engaged with the rack 26.
  • a drive motor 35 is coupled to drive pinion gear 28, preferably through a reduction gearing (not shown).
  • Mount 36 supports the drive shaft 34 and the drive motor 35 coupled to turn the pinion gear 28 for driving the wave generating plate 12 along a wall through the rack gear 26 on the drive shaft 34.
  • the embodiment of Fig. 3 is similar to that of Fig. 1.
  • FIG. 4 is a plan view illustrating the pool used in the surfing pool example of the invention.
  • Fig. 5 is a cross-­sectional view taken on the plane of line 2-2 of Fig. 4.
  • the pool of Fig. 5 includes two wave making apparatuses 10a and 10b, which are the wave making apparatus 10 shown in Fig. 1.
  • the distance from the bottom of pool 30 to the top surface of the water is indicated in parentheses.
  • the bottom surface of pool 30 is lowest in the central area and slopes up toward the pool sides.
  • a wave making apparatus of the present invention was arranged at each end of two waterways 32a and 32b which are connected to pool 30.
  • the waves generated by wave making apparatuses 10a and 10b pass through the two respective waterways 32a and 32b and cross each other in pool 30.
  • high waves appropriate for surfing can be generated easily in pool 30, by means of the wave making apparatuses 10a and 10b.
  • the form of wave 24 need not be sinusoidal. Waves 24 of high steepness ratio, which have peaked crests and flat troughs, are preferable.
  • the drive unit for driving the wave generating plate 12 is not required to have a sophisticated sinusoidal motion control mechanism. A drive cycle range which cover a very limited range of the cycle is sufficient.
  • the backward angle of inclination ⁇ of the wall 18 was at 45°, and the angle of inclination ⁇ of the wave generating face 13 of the wave generating plate 12 was set at 30°.
  • the reciprocating cycle of operation of the wave generating plate was between 2 and 6 seconds.
  • the design criteria for the stroke of the wave generating plate (distance of movement) for a given depth of water is as follows: Wave Height (0.5 - 0.7) x Depth of Water Stroke 1.4 x Wave Height Consequently, Stroke (0.7 - 1.0) x Depth of Water
  • the drive means for driving the wave generating plates can be freely chosen, to drive the wave generating plate 12, forward and backward (that is, "to and fro", substantially parallel to the surface of the rearwardly inclined surface 18 of the pool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Toys (AREA)
EP88108691A 1987-06-01 1988-05-31 Générateur de vagues Expired - Lifetime EP0293831B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62134979A JPS63300783A (ja) 1987-06-01 1987-06-01 造波装置
JP134979/87 1987-06-01

Publications (2)

Publication Number Publication Date
EP0293831A1 true EP0293831A1 (fr) 1988-12-07
EP0293831B1 EP0293831B1 (fr) 1991-09-18

Family

ID=15141080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108691A Expired - Lifetime EP0293831B1 (fr) 1987-06-01 1988-05-31 Générateur de vagues

Country Status (6)

Country Link
EP (1) EP0293831B1 (fr)
JP (1) JPS63300783A (fr)
KR (1) KR920009136B1 (fr)
AU (1) AU597491B2 (fr)
DE (1) DE3864907D1 (fr)
ES (1) ES2025731T3 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994004652A1 (fr) * 1992-08-14 1994-03-03 The Procter & Gamble Company Detergents liquides contenant une cetone de trifluoromethyle peptidique
EP1242703A1 (fr) * 1999-12-13 2002-09-25 Kerry Peter Black Piscine vagues
WO2004076779A1 (fr) * 2003-02-27 2004-09-10 Markus Aufleger Procede et dispositif pour generer des ondes stationnaires dans des eaux courantes
WO2006060866A1 (fr) 2004-12-09 2006-06-15 Liquid Time Pty Ltd Appareil de generation de vagues
DE102010035117A1 (de) * 2010-08-23 2012-02-23 Falko Müller Anlage und Verfahren zum Erzeugen von Wellen
CN103620134A (zh) * 2011-05-04 2014-03-05 史戴格里夫私人有限公司 利用有序的交错波浪发生器产生适于冲浪的渐进性波浪的方法和设备
CN108221844A (zh) * 2017-12-31 2018-06-29 浙江大学 模拟潮汐荷载作用下临海基坑动态响应试验装置
AU2017251684A1 (en) * 2017-02-09 2018-08-23 Smartpark Technologies LLC Surfing wave pool using ship waves
US10119284B1 (en) * 2017-08-02 2018-11-06 Ryan M. Dunlap Wave generator
CN109342309A (zh) * 2018-11-26 2019-02-15 辽宁科技大学 一种模拟海洋腐蚀环境的试验装置及试验方法
CN110346112A (zh) * 2019-08-09 2019-10-18 交通运输部天津水运工程科学研究所 一种便于拆装的可调节造波宽度的造波机
CN113295380A (zh) * 2021-06-08 2021-08-24 哈尔滨工程大学 一种造浪装置
US11236521B2 (en) * 2018-07-30 2022-02-01 Laurent HEQUILY Dynamic artificial wave facility for surfing practice
CN115126305A (zh) * 2022-08-10 2022-09-30 浙江佳合文化科技股份有限公司 一种弧形造浪装置及造浪机
US11708700B2 (en) 2021-08-18 2023-07-25 Mark Bates Wave generation assembly
CN117433743A (zh) * 2023-12-18 2024-01-23 天津大学 一种用于波浪边界层实验的波浪水槽

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101360275B1 (ko) * 2012-12-10 2014-02-12 윤대원 인공파도 생성장치
JP7083520B2 (ja) 2016-11-08 2022-06-13 カアナ ウェーブ カンパニー インコーポレイテッド 造波方法および装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005207A (en) * 1959-01-13 1961-10-24 Matrai Miklos Swimming pool
US3350724A (en) * 1964-07-07 1967-11-07 Walter J Leigh Method and apparatus for generating artificial waves in a body of water
FR2291803A1 (fr) * 1974-11-20 1976-06-18 Alsthom Cgee Perfectionnements aux generateurs a houle du type a plongeur
GB1592452A (en) * 1976-04-20 1981-07-08 Ind & Commercial Electronics L Apparatus for creating waves in a body of liquid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3305508C2 (de) * 1983-02-14 1984-12-20 Christian Dr.-Ing. 1000 Berlin Boes Pneumatischer Wellenerzeuger für Surfwellenbäder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005207A (en) * 1959-01-13 1961-10-24 Matrai Miklos Swimming pool
US3350724A (en) * 1964-07-07 1967-11-07 Walter J Leigh Method and apparatus for generating artificial waves in a body of water
FR2291803A1 (fr) * 1974-11-20 1976-06-18 Alsthom Cgee Perfectionnements aux generateurs a houle du type a plongeur
GB1592452A (en) * 1976-04-20 1981-07-08 Ind & Commercial Electronics L Apparatus for creating waves in a body of liquid

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994004652A1 (fr) * 1992-08-14 1994-03-03 The Procter & Gamble Company Detergents liquides contenant une cetone de trifluoromethyle peptidique
EP1242703A1 (fr) * 1999-12-13 2002-09-25 Kerry Peter Black Piscine vagues
EP1242703A4 (fr) * 1999-12-13 2003-08-13 Kerry Peter Black Piscine vagues
US6912738B2 (en) 1999-12-13 2005-07-05 Kerry Peter Black Wave pool construction
WO2004076779A1 (fr) * 2003-02-27 2004-09-10 Markus Aufleger Procede et dispositif pour generer des ondes stationnaires dans des eaux courantes
WO2006060866A1 (fr) 2004-12-09 2006-06-15 Liquid Time Pty Ltd Appareil de generation de vagues
EP1825081B1 (fr) * 2004-12-09 2017-02-15 Liquid Time Pty Ltd Appareil de generation de vagues
DE102010035117A1 (de) * 2010-08-23 2012-02-23 Falko Müller Anlage und Verfahren zum Erzeugen von Wellen
DE102010035117B4 (de) * 2010-08-23 2012-06-06 Falko Müller Anlage und Verfahren zum Erzeugen von Wellen
CN103620134A (zh) * 2011-05-04 2014-03-05 史戴格里夫私人有限公司 利用有序的交错波浪发生器产生适于冲浪的渐进性波浪的方法和设备
AU2017251684A1 (en) * 2017-02-09 2018-08-23 Smartpark Technologies LLC Surfing wave pool using ship waves
US10119284B1 (en) * 2017-08-02 2018-11-06 Ryan M. Dunlap Wave generator
CN108221844A (zh) * 2017-12-31 2018-06-29 浙江大学 模拟潮汐荷载作用下临海基坑动态响应试验装置
CN108221844B (zh) * 2017-12-31 2023-01-10 浙江大学 模拟潮汐荷载作用下临海基坑动态响应试验装置
US11236521B2 (en) * 2018-07-30 2022-02-01 Laurent HEQUILY Dynamic artificial wave facility for surfing practice
CN109342309A (zh) * 2018-11-26 2019-02-15 辽宁科技大学 一种模拟海洋腐蚀环境的试验装置及试验方法
CN109342309B (zh) * 2018-11-26 2024-02-27 辽宁科技大学 一种模拟海洋腐蚀环境的试验装置及试验方法
CN110346112B (zh) * 2019-08-09 2024-01-26 交通运输部天津水运工程科学研究所 一种便于拆装的可调节造波宽度的造波机
CN110346112A (zh) * 2019-08-09 2019-10-18 交通运输部天津水运工程科学研究所 一种便于拆装的可调节造波宽度的造波机
CN113295380A (zh) * 2021-06-08 2021-08-24 哈尔滨工程大学 一种造浪装置
CN113295380B (zh) * 2021-06-08 2023-03-24 哈尔滨工程大学 一种造浪装置
US11708700B2 (en) 2021-08-18 2023-07-25 Mark Bates Wave generation assembly
CN115126305A (zh) * 2022-08-10 2022-09-30 浙江佳合文化科技股份有限公司 一种弧形造浪装置及造浪机
CN115126305B (zh) * 2022-08-10 2024-05-14 浙江佳合文化科技股份有限公司 一种弧形造浪装置及造浪机
CN117433743A (zh) * 2023-12-18 2024-01-23 天津大学 一种用于波浪边界层实验的波浪水槽
CN117433743B (zh) * 2023-12-18 2024-02-13 天津大学 一种用于波浪边界层实验的波浪水槽

Also Published As

Publication number Publication date
AU1676188A (en) 1988-12-01
AU597491B2 (en) 1990-05-31
DE3864907D1 (de) 1991-10-24
JPS63300783A (ja) 1988-12-07
ES2025731T3 (es) 1992-04-01
EP0293831B1 (fr) 1991-09-18
KR920009136B1 (ko) 1992-10-13
KR890000123A (ko) 1989-03-11
JPH0512509B2 (fr) 1993-02-18

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